package com.hx.redisson.templates.register;
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import com.fasterxml.jackson.annotation.JsonAutoDetect;
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import com.fasterxml.jackson.annotation.PropertyAccessor;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
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import com.hx.redisson.templates.entity.RedissondbConfigEntity;
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import org.apache.commons.collections.CollectionUtils;
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import org.redisson.Redisson;
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import org.redisson.api.RedissonClient;
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import org.redisson.client.codec.StringCodec;
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import org.redisson.config.Config;
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import org.redisson.config.SingleServerConfig;
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import org.redisson.spring.data.connection.RedissonConnectionFactory;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
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import org.springframework.beans.factory.support.BeanDefinitionRegistry;
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import org.springframework.beans.factory.support.GenericBeanDefinition;
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import org.springframework.boot.context.properties.bind.Binder;
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import org.springframework.context.EnvironmentAware;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.ImportBeanDefinitionRegistrar;
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import org.springframework.core.env.Environment;
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import org.springframework.core.type.AnnotationMetadata;
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import org.springframework.data.redis.connection.RedisConnectionFactory;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
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import org.springframework.data.redis.serializer.RedisSerializer;
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import org.springframework.data.redis.serializer.StringRedisSerializer;
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import java.util.List;
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/**
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* <h1>redistemplate初始化</h1>
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* <p>
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* 作用：
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* <p>
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* 读取系统配置，系统启动时，读取redis 的配置，初始化所有的redistemplate
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* 并动态注册为bean
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*
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* @author gengzi
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* @date 2021年1月5日22:16:29
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*/
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@Configuration
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public class RedisRegister implements EnvironmentAware, ImportBeanDefinitionRegistrar {
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private Logger logger = LoggerFactory.getLogger(RedisRegister.class);
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/**用于获取环境配置*/
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private Environment environment;
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/**用于绑定对象*/
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private Binder binder;
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/**
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* 设置环境
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*
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* @param environment
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*/
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@Override
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public void setEnvironment(Environment environment) {
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this.environment = environment;
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this.binder = Binder.get(environment);
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}
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/**
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* 注册bean
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*
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* @param importingClassMetadata
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* @param registry
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*/
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@Override
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public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {
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logger.info("《《《动态注册bean开始》》》");
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RedissondbConfigEntity redissondb;
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try {
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redissondb = binder.bind("redissondb", RedissondbConfigEntity.class).get();
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} catch (Exception e) {
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logger.error("读取redissondb环境配置失败", e);
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return;
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}
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List<Integer> databases = redissondb.getDatabases();
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if (CollectionUtils.isNotEmpty(databases)) {
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databases.forEach(db -> {
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// 单机模式，集群只能使用db0
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Config config = new Config();
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config.setCodec(StringCodec.INSTANCE);
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SingleServerConfig singleConfig = config.useSingleServer();
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singleConfig.setAddress("redis://"+redissondb.getHost()+":"+redissondb.getPort());
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singleConfig.setPassword(redissondb.getPassword());
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singleConfig.setDatabase(db);
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System.out.println("getHost:"+singleConfig.getAddress());
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System.out.println("getHost:"+singleConfig.getPassword());
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RedissonClient redissonClient = Redisson.create(config);
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// 构造RedissonConnectionFactory
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RedissonConnectionFactory redisConnectionFactory = new RedissonConnectionFactory(redissonClient);
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// bean定义
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GenericBeanDefinition redisTemplate = new GenericBeanDefinition();
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// 设置bean 的类型
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redisTemplate.setBeanClass(RedisTemplate.class);
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// 设置自动注入的形式，根据名称
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redisTemplate.setAutowireMode(AutowireCapableBeanFactory.AUTOWIRE_BY_NAME);
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// redisTemplate 的属性配置
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redisTemplate(redisTemplate, redisConnectionFactory);
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// 注册Bean
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registry.registerBeanDefinition("redisTemplate" + db, redisTemplate);
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});
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}
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logger.info("《《《动态注册bean结束》》》");
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}
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/**
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* redisTemplate 的属性配置
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*
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* @param redisTemplate 泛型bean
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* @param redisConnectionFactory 连接工厂
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* @return
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*/
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public GenericBeanDefinition redisTemplate(GenericBeanDefinition redisTemplate, RedisConnectionFactory redisConnectionFactory) {
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RedisSerializer<String> stringRedisSerializer = new StringRedisSerializer();
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Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
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// 解决查询缓存转换异常的问题
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ObjectMapper om = new ObjectMapper();
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om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
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om.activateDefaultTyping(LaissezFaireSubTypeValidator.instance,
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ObjectMapper.DefaultTyping.NON_FINAL);
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jackson2JsonRedisSerializer.setObjectMapper(om);
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// key采用String的序列化方式，value采用json序列化方式
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// 通过方法设置属性值
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redisTemplate.getPropertyValues().add("connectionFactory", redisConnectionFactory);
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redisTemplate.getPropertyValues().add("keySerializer", stringRedisSerializer);
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redisTemplate.getPropertyValues().add("hashKeySerializer", stringRedisSerializer);
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redisTemplate.getPropertyValues().add("valueSerializer", jackson2JsonRedisSerializer);
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redisTemplate.getPropertyValues().add("hashValueSerializer", jackson2JsonRedisSerializer);
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return redisTemplate;
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}
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}
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